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R911294950 (MHD071B-061-NG0-UP)

MHD Synchronous Motors

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The Bosch Rexroth Indramat R911294950 (MHD071B-061-NG0-UP), of the MHD series, is a synchronous servo motor with a built-in surface cooling system. Operating with a motor overtemperature of 60/100 K, the unit has a continuous current capacity of 16.8 Amperes and can handle a maximum current of 50.5 A. At an ambient temperature of 20o C, this motor model provides a torque constant of 0.77 Nm/A, a winding resistance of 1.45 Ohm, and a voltage constant of 70 V/1000rpm, along with a winding inductivity of 7.2 mH. The naturally convectively cooled, four pole pairs motor has a rated speed of 5000 rpm, outputting a rated torque of 7.8 A. The unit, with an insulation of type F, is built for several applications and is furnished with a 6.5 Nm holding brake. It offers a frame size of 071 and includes a digital servo feedback encoder. The power and feedback outputs can be adjusted up to 270 degrees.

Technical Specifications

Servo Motor Type
Synchronous

Cooling System
Surface

Motor Overtemperature
60/100 K

Continuous Current
16.8 Amperes

Maximum Current
50.5 A

Torque Constant at 20o C
0.77 Nm/A

Winding Resistance at 20o C
1.45 Ohm

Voltage Constant at 20o C
70 V/1000rpm

Winding Inductivity
7.2 mH

Pole Pairs
4

Rated Speed
5000 rpm

Rated Torque
7.8 A

Insulation
F

Housing Design
Natural convective cooling

Holding Brake
6.5 Nm

Thermal Time Constant
20 minutes

Motor Frame Size
071

Flange Size
115 mm

Centering Diameter
95 mm

Encoder Type
Digital Servo

Output Shaft
Plain with shaft sealing ring

Connectors
Rotatable within a range of 270 degrees.

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.